/**
 * Copyright 2010-present Facebook.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.facebook;

/**
 * Specifies the behaviors to try during
 * {@link Session#openForRead(com.facebook.Session.OpenRequest) openForRead},
 * {@link Session#openForPublish(com.facebook.Session.OpenRequest) openForPublish},
 * {@link Session#requestNewReadPermissions(com.facebook.Session.NewPermissionsRequest) requestNewReadPermissions}, or
 * {@link Session#requestNewPublishPermissions(com.facebook.Session.NewPermissionsRequest) requestNewPublishPermissions}.
 */
public enum SessionLoginBehavior
{
  /**
   * Specifies that Session should attempt Single Sign On (SSO), and if that
   * does not work fall back to dialog auth. This is the default behavior.
   */
  SSO_WITH_FALLBACK(true, true),

  /**
   * Specifies that Session should only attempt SSO. If SSO fails, then the
   * open or new permissions call fails.
   */
  SSO_ONLY(true, false),

  /**
   * Specifies that SSO should not be attempted, and to only use dialog auth.
   */
  SUPPRESS_SSO(false, true);

  private final boolean allowsKatanaAuth;
  private final boolean allowsWebViewAuth;

  private SessionLoginBehavior(boolean allowsKatanaAuth, boolean allowsWebViewAuth)
  {
    this.allowsKatanaAuth = allowsKatanaAuth;
    this.allowsWebViewAuth = allowsWebViewAuth;
  }

  boolean allowsKatanaAuth()
  {
    return allowsKatanaAuth;
  }

  boolean allowsWebViewAuth()
  {
    return allowsWebViewAuth;
  }
}
